Who Senses It Better: Cats, Dogs, or People?

I'm becoming a bit of a trivia buff, and with approaching holidays, I can't resist brushing up on some useful (or useless) knowledge to share with friends and family. While I'm savoring the smells coming from the kitchen or listening to several conversations at once, I wonder how cats and dogs would fare compared to me. Do you know anything about human and animal senses? Find out below!